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state of illinois Dwight H. Green, Governor
TRANSACTIONS
of the
ILLINOIS STATE ACADEMY OF SCIENCE
Volume 34 September, 1941 Number 1
Special Papers Presented at the Thirty-fourth Annual Meeting Evanston, Illinois, May, 1941
Memoirs
Printed by the Illinois State Academy of Science Affiliated with the Illinois State Museum Division, Centennial Building SPRINGFIELD, ILLINOIS

Materials in this collection are made available by the Illinois State Library. To request reproductions or inquire about permissions, contact: islimg@ilsos.net. Please cite the item title and collection name.

state of illinois Dwight H. Green, Governor
TRANSACTIONS
of the
ILLINOIS STATE ACADEMY OF SCIENCE
Volume 34 September, 1941 Number 1
Special Papers Presented at the Thirty-fourth Annual Meeting Evanston, Illinois, May, 1941
Memoirs
Printed by the Illinois State Academy of Science Affiliated with the Illinois State Museum Division, Centennial Building SPRINGFIELD, ILLINOIS